Vaisala PTB330TS - Manual (Page 75)

Chapter 6 ______________________________ Serial Line Communication With PTB330 Barometer
VAISALA_______________________________________________________________________ 73
UNIT
Use the UNIT command to display or set the output quantities and their
units for serial line use.
UNIT [x] [y]
Use the UNIT command to set the measurement unit for the quantities.
The output of all the quantities measured will be shown in the unit fed
by the user.
Example:
>unit Pa
P : Pa
P3h : Pa
P1 : Pa
P2 : Pa
DP12 : Pa
HCP : Pa
QFE : Pa
QNH : Pa
>
Table 13 Output Quantities and Units
Quantity Output Quantity Available Output Units
Pressure (measures average
pressure from P
1
, P
2
, and P
3
)
P hPa, psi, inHg, torr, bar, mbar,
mmHg, kPa, Pa, mmH
2
O, inH
2
O
Pressure from barometer
module 1 or 2 or 3 P
1
, P
2
, and P
3
Pressure trend P
3h
Pressure difference (P
1
-P
2
) deltaP
12
Pressure difference (P
1
-P
3
) deltaP
13
Pressure difference (P
2
-P
3
) deltaP
23
QNH pressure QNH
QFE pressure QFE
Height Corrected Pressure HCP
Temperature from barometer
module 1 or 2 or 3 TP
1
, TP
2
, and TP
3
Celcius, Fahrenheit or Kelvin
where
x = Output quantity
y = Output unit